Complaints
737
Crashes
20
Fires
6
Injuries
5
Fatalities
—
Recalls
0
Worst 2003 Infiniti G35 Problems
Top 3 most-reported issues with average mileage at failure.
#1218 complaints
Electrical Faults
Avg mileage:97,028 mi
Crash-related:3
Fires:3
#262 complaints
Engine Problems
Avg mileage:137,452 mi
Fires:1
#353 complaints
Engine & Cooling
Avg mileage:114,939 mi
Fires:1
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All Problems by Category
Every NHTSA complaint category for the 2003 Infiniti G35.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 218 | 3 | 3 | 97,028 mi | |
| Engine Problems | 62 | — | 1 | 137,452 mi | |
| Engine & Cooling | 53 | — | 1 | 114,939 mi | |
| Headlight/Taillight Failures | 45 | — | — | 99,436 mi | |
| Visibility | 34 | — | — | 107,450 mi | |
| Visibility:Defroster/Defogger/Hvac System | 26 | 1 | — | 116,869 mi | |
| Other Equipment | 18 | — | — | 74,060 mi | |
| Hydraulic Brakes | 18 | 1 | — | 46,156 mi | |
| Equipment:Electrical:Radio/Tape Deck/Cd Etc. | 17 | — | — | 155,540 mi | |
| Equipment:Appliance:Air Conditioner | 16 | — | — | 94,733 mi | |
| Seat-Related Issues | 16 | — | — | 51,716 mi | |
| Service Brakes, Hydraulic:Foundation Components:Disc:Rotor | 15 | — | — | 10,639 mi | |
| Airbags | 14 | 4 | — | 100,826 mi | |
| Automatic Transmission | 14 | — | — | 65,614 mi | |
| Service Brakes, Hydraulic:Foundation Components:Disc:Pads | 14 | — | — | 15,023 mi | |
| Wipers & Visibility | 11 | — | — | 108,806 mi | |
| Unintended Acceleration | 9 | 1 | — | 71,188 mi | |
| Engine And Engine Cooling:Engine | 8 | — | — | 98,916 mi | |
| Fuel System | 8 | — | — | 109,012 mi | |
| Transmission / Drivetrain | 8 | — | — | 176,479 mi | |
| Brakes | 7 | — | — | 98,126 mi | |
| Electronic Stability Control | 5 | 1 | — | 188,188 mi | |
| Engine And Engine Cooling:Cooling System | 5 | 1 | — | 94,600 mi | |
| Interior Lighting | 5 | 1 | — | 109,750 mi | |
| Suspension Failures | 5 | — | — | 122,563 mi | |
| Visibility:Power Window Devices And Controls | 5 | — | — | 105,667 mi | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 4 | — | — | — | |
| Body Structure | 4 | 2 | — | — | |
| Equipment:Electrical | 3 | — | — | — |
Electrical Faults
218
complaints
Crashes
3
Fires
3
Avg Miles
97,028
Engine Problems
62
complaints
Crashes
—
Fires
1
Avg Miles
137,452
Engine & Cooling
53
complaints
Crashes
—
Fires
1
Avg Miles
114,939
Headlight/Taillight Failures
45
complaints
Crashes
—
Fires
—
Avg Miles
99,436
Visibility
34
complaints
Crashes
—
Fires
—
Avg Miles
107,450
Visibility:Defroster/Defogger/Hvac System
26
complaints
Crashes
1
Fires
—
Avg Miles
116,869
Other Equipment
18
complaints
Crashes
—
Fires
—
Avg Miles
74,060
Hydraulic Brakes
18
complaints
Crashes
1
Fires
—
Avg Miles
46,156
Equipment:Electrical:Radio/Tape Deck/Cd Etc.
17
complaints
Crashes
—
Fires
—
Avg Miles
155,540
Equipment:Appliance:Air Conditioner
16
complaints
Crashes
—
Fires
—
Avg Miles
94,733
Seat-Related Issues
16
complaints
Crashes
—
Fires
—
Avg Miles
51,716
Service Brakes, Hydraulic:Foundation Components:Disc:Rotor
15
complaints
Crashes
—
Fires
—
Avg Miles
10,639
Airbags
14
complaints
Crashes
4
Fires
—
Avg Miles
100,826
Automatic Transmission
14
complaints
Crashes
—
Fires
—
Avg Miles
65,614
Service Brakes, Hydraulic:Foundation Components:Disc:Pads
14
complaints
Crashes
—
Fires
—
Avg Miles
15,023
Wipers & Visibility
11
complaints
Crashes
—
Fires
—
Avg Miles
108,806
Unintended Acceleration
9
complaints
Crashes
1
Fires
—
Avg Miles
71,188
Engine And Engine Cooling:Engine
8
complaints
Crashes
—
Fires
—
Avg Miles
98,916
Fuel System
8
complaints
Crashes
—
Fires
—
Avg Miles
109,012
Transmission / Drivetrain
8
complaints
Crashes
—
Fires
—
Avg Miles
176,479
Brakes
7
complaints
Crashes
—
Fires
—
Avg Miles
98,126
Electronic Stability Control
5
complaints
Crashes
1
Fires
—
Avg Miles
188,188
Engine And Engine Cooling:Cooling System
5
complaints
Crashes
1
Fires
—
Avg Miles
94,600
Interior Lighting
5
complaints
Crashes
1
Fires
—
Avg Miles
109,750
Suspension Failures
5
complaints
Crashes
—
Fires
—
Avg Miles
122,563
Visibility:Power Window Devices And Controls
5
complaints
Crashes
—
Fires
—
Avg Miles
105,667
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip
4
complaints
Crashes
—
Fires
—
Avg Miles
—
Body Structure
4
complaints
Crashes
2
Fires
—
Avg Miles
—
Equipment:Electrical
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2003 Infiniti G35. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Infiniti G35 Years
2003 Infiniti G35 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2003 Infiniti G35 reliable?
Verdict: Severe Issues. The 2003 Infiniti G35 has 737 NHTSA complaints, 20 crash-related, and 0 recall campaigns. The most common issue is Electrical Faults with 218 complaints. Source: NHTSA via VinItel.
What are common problems with the 2003 Infiniti G35?
Top reported problems: Electrical Faults (218 complaints, avg 97,028 mi); Engine Problems (62 complaints, avg 137,452 mi); Engine & Cooling (53 complaints, avg 114,939 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2003 Infiniti G35?
The weighted average mileage at time of complaint is about 99,828 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2003 Infiniti G35?
NHTSA complaints for the 2003 Infiniti G35 include 20 crash-related reports, 6 fire reports, 5 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2003 Infiniti G35 have any recalls?
No NHTSA recall campaigns have been issued for the 2003 Infiniti G35 as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 2003 Infiniti G35?
Proceed with extreme caution. The 2003 Infiniti G35 shows significantly more complaints than average for its class. If you're buying one, a pre-purchase inspection and a VIN history check are essential — skip them and you're gambling.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Infiniti G35 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2003 Infiniti G35
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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